PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Standard barrels can be purchased or made in a manner known to the art and are generally stainless steel or chrome molybdenum steel but can be of other hard materials such as for example tungsten carbide and ceramics.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.ca